"They love it. You know, they go, 'Why is my face up there!?'" Lopez shared. "My son will be like, 'Why is my face there? People are laughing at us!' He gets worried about that stuff. My daughter [just] loves watching it."

Watching their mom perform onstage isn't the only thing Max and Emme get a kick out of. The adorable siblings also love computers, video games and animated movies -- but don't expect them to freak out about Frozen like most other grade schoolers.

"Frozen was years ago!" Lopez laughed, explaining that her kids are way over the Disney hit. "They really want to see Ice Age."